https://upload.wikimedia.org/wikipedia/commons/0/04/LEGO-kom...

I'd love to see them smoothly animated.

And it seems that John Tromp's diagrams originate from David C. Keenan's Mockingbird (1996),

and Bubble Notation comes from Wayne Citrin's Visual Expressions (1995)

Example: https://bntre.github.io/visual-lambda/#workspace=H4sIAAAAAAA...

John Tromp's Lambda Diagrams (via 2swap): https://www.youtube.com/watch?v=RcVA8Nj6HEo&t=1346s

Bubble Notation: https://www.youtube.com/watch?v=aRgu8S3Pnb8

I recently revived and cleaned up the project and published it as an interactive web version: https://bntre.github.io/visual-lambda/

GitHub repo: https://github.com/bntre/visual-lambda

It also includes a small "Lambda Puzzles" challenge, where you try to extract a hidden free variable (a golden coin) by constructing the right term: https://github.com/bntre/visual-lambda#puzzles

Comments URL: https://news.ycombinator.com/item?id=47191052

Points: 49

# Comments: 9

But when it comes to dancing in games or interactive systems, complexity almost always disappears. Dance games usually require you to move physically in front of a camera, or step on pads, or just trigger a single emote animation.

Meanwhile, in platforms like Roblox, players collect dance animations and show them off by triggering them at the right moments. Sometimes multiple players even sync their dances together - which already feels a bit like a disco.

So the question that kept bothering me was: why don't we have "dance fighters" - systems where expressive, complex dancing is mastered through equally complex control, using patterns, timing, and structure rather than physical movement?

This project is a small experiment in that direction: https://github.com/bntre/threejs-osc-dance

I'm exploring controlling character dance animations through a livecoded, pattern-based interface (Strudel), mixing short animation loops in real time. It's not a game yet, just a proof of concept - but I'm curious whether dance could be treated as a skillful, expressive control space, much like fighting inputs or musical performance.

Comments URL: https://news.ycombinator.com/item?id=46644792

Points: 2

# Comments: 0

(Alt + mouse wheel changes the eye distance)

Reverse perspective can feel a bit disorienting at first, but this demo is meant to highlight a few of its interesting advantages:

1. An extended Dolly zoom effect. https://en.wikipedia.org/wiki/Dolly_zoom

You can think of it as an extrapolation of the classic Dolly zoom into negative space. It produces a cinematic sense of vertigo or sudden insight, and also lets you pull the camera back from an object without distracting the viewer with surrounding geometry.

2. A wider and more complete spatial view.

Near objects no longer obscure distant ones; the viewer can see both the façade of a building and what’s happening on its roof, or even behind it.

Code and details: https://github.com/bntre/reverse-perspective-threejs

Comments URL: https://news.ycombinator.com/item?id=45874597

Points: 52

# Comments: 8

I assume this is your album: https://fabianvallon.bandcamp.com/album/a-different-path-for...

Was xenharmlib used in it, or some other software?

https://github.com/bntre/cs-rationals/blob/master/RationalsE...

Demo piece: https://www.youtube.com/watch?v=y_x4vtS_I7w

Maybe these methods could be combined somehow, but it seems simpler to use subdivision (as also mentioned in that thread) — perhaps selectively, for objects near the periphery where distortion is strongest.